The big Olympus PRO lens size comparison. March 4, 2014 news 135 Comments On courtesy of Manuel Fernandez (Thanks!) I am posting his big Olympus PRO lens size comparison. Like my work and want to support me? Do it for free :) Whenever you go for a shopping just click on those links and buy whatever you want and I will get a small commission for it without you having to pay one single penny extra: Amazon, B&H, Adorama, Olympus US store, FocusCamera, eBay.